[BugFix] fix wrong order by scope for distinct query

Signed-off-by: packy92 <[email protected]>

Author: packy92

fe/fe-core/src/test/java/com/starrocks/sql/plan/OrderByTest.java

@@ -649,6 +649,8 @@ private static Stream<Arguments> successToStrictSql() {
         list.add(Arguments.of("select distinct * from t0  order by 1", "order by: <slot 1> 1: v1 ASC"));
         list.add(Arguments.of("select * from t0 order by v1", "order by: <slot 1> 1: v1 ASC"));
         list.add(Arguments.of("select t0.* from t0 order by t0.v1", "order by: <slot 1> 1: v1 ASC"));
+        list.add(Arguments.of("select distinct t0.* from t0 order by t0.v1", "order by: <slot 1> 1: v1 ASC"));
+
 
         list.add(Arguments.of("select *, v1 from t0  order by v1", "order by: <slot 1> 1: v1 ASC"));
         list.add(Arguments.of("select *, v1 from t0  order by abs(v1)", "order by: <slot 4> 4: abs ASC"));